Our Team

Jay Daniel Duhon, PhD and Gary B. Rochelle, PhD

Our Founders

Dr. Duhon is a Licensed Psychologist in the State of Texas working in the areas of Neuropsychology and Rehabilitation for more than 20 years. His area of focus has been working with people with neurologic disease or injury such as Traumatic Brain Injury survivors, Brain Tumor survivors, Dementia, Parkinson’s disease and Epilepsy as well as other people with orthopedic issues resulting in chronic pain or complex medical issues. Dr. Duhon began his career at focusing on Traumatic Brain Injury and Stroke Rehabilitation. He went on to direct both an inpatient TBI unit as was as subsequently running a community re-entry program that included back to school and back to work components in Dallas. Dr. Duhon moved to Fort Worth to manage the psychology department for an inpatient rehabilitation hospital before moving to Plano in the same capacity. Dr. Duhon is on staff as a consulting psychologist at many local acute medical hospitals, long term acute care hospitals, inpatient rehabilitation hospitals and skilled nursing facilities.

Dr. Rochelle is a Licensed Psychologist in the state of Texas. He received a Bachelor of Arts Degree in Psychology from California State University at San Bernardino in 1982. He received a Master of Science Degree in Psychology from the University of North Texas in 1995. He received a Doctorate of Philosophy in Counseling Psychology, with an emphasis in both Neuropsychology and Marriage and Family Therapy, from the University of North Texas in 2000. He completed an internship in Clinical Neuropsychology at the Veterans Administration Medical Center in New Orleans, Louisiana. He completed a post-doctoral fellowship in Clinical Neuropsychology at the University of Texas Southwestern Medical Center in Dallas. He is a consultant, providing psychological and neuropsychological services at a number of local hospitals. He maintains clinical privileges at ten hospitals and has also been a mentor and externship supervisor working with the University of North Texas’s psychology graduate students for a number of years.

Tina Hahn, LCSW

Tina Hahn is a Licensed Clinical Social Worker in the State of Texas. She received her Bachelor of Science degree in Behavioral Sciences from the University of Houston. She received her Master of Social Work with emphasis on Mental Health. Ms.Hahn completed internships at Harris County Psychiatric Hospital and at Harris Methodist Hospital in Houston. With more than 20 years experience in both inpatient and outpatient settings, she specializes in anxiety/panic, grief, and depression.

With a solution-based focus on therapy, Ms. Hahn provides an accepting, non-judgmental, and validating approach to understanding her client's world. Based on person-centered modalities, with a focus on individual strengths, her approach is customized for the client incorporating cognitive/behavioral techniques. The collaborative partnership that Ms. Hahn creates with her clients offers a safe, supportive environment in which healing occurs.

Lauren Jackson, PhD

Dr. Lauren Jackson is a licensed psychologist. She received her bachelor’s degree in psychology at Southern Methodist University, and she completed her doctorate in clinical psychology at the University of North Texas. She completed her internship at the Dallas Veterans Affairs Medical Center and her post-doctoral training at DR Associates of North Texas where she continues to practice. Dr. Jackson’s clinical work is guided by an integrated theoretical orientation, emphasizing the interpersonal process and therapeutic relationship as well as incorporating techniques primarily from a cognitive-behavioral (CBT) perspective.

Dr. Jackson is currently a consultant, providing psychological and neuropsychological evaluations at local rehabilitation hospitals, long-term acute care hospitals, and assisted living facilities.

Stephen Chock, PhD

Stephen Chock, Ph.D. is a neuropsychologist with over 35 years of experience in counseling and assessment of neurologic and personal functioning. he practiced rehabilitation neuropsychology on the brain injury unit at Baylor Rehab-Dallas for over 17 years. he has taught and supervised counselors-in-training at the Minirth-Meier Clinic and Dallas Theological Seminary since 1989. As a Medicare and Health & Behavior provider, he also consults at churches, universities, and nursing & rehabilitation facilities in the Dallas-Fort Worth area. He also provides adult outpatient therapy in our offices at DR Associates of North Texas.

A former track and cross country coach, Dr. Chock was born and raised in Hawaii where he began his career as a drug education counselor in the public schools. He interned at Minneapolis VA Medical Center and performed his externships and residencies at St. Cloud VAMC and Ohio State University Hospital's brain injury rehabilitation unit while completing his PH.D. in Counseling Psychology at Ohio State University. In 1988, he moved to Dallas to help plant LifePoint Church in Plano, where he serves as counseling pastor.

Lauren Fuller, PhD

Dr. Lauren Fuller is a licensed psychologist. She received her bachelor's degree in psychology at The University of Mary Washington in Fredericksburg, VA and completed her doctorate in counseling psychology at the University of North Dakota. She performed her internship at the Topeka Veterans Affairs Medical Center and completed her post-doctoral training in neuropsychology under the supervision of Dr. Jay Duhon and Dr. Gary Rochelle, the founders of DR Associates of North Texas.

Dr. Fuller's theoretical orientation includes an eclectic approach, integrating aspects of cognitive behavioral therapy (CBT) and solution-focused therapy into her interactions with her clients. She has extensive experience working with older adults, PTSD, and affective disorders. Dr. Fuller also administers psychological and neuropsychological testing for a wide variety of conditions, including dementia, stroke, traumatic brain injury, ADHD, and personality disorders. Dr. Fuller enjoys standup paddleboarding and indoor rock climbing.

Nicole Grandjean, PhD

Nicole Grandjean, PhD graduated with honors in 2004 from The University of North Texas and has 13 years of diverse experience as a Clinical Psychologist. Dr. Grandjean specializes in the diagnosis and treatment of Post Traumatic Stress Disorder (PTSD). Dr. Grandjean offers outpatient PTSD therapy programs and psychological/neuropsychological testing at our offices at DR Associates of North Texas.

Sabrina Austin, PhD

Sabrina S. Austin, Ph.D., is a clinical health psychologist. She uses an integrative approach to psychotherapy to help her clients work towards their goals for improving their quality of life. In addition to treating depression, anxiety, anger, grief, and relationship issues, she has worked extensively with individuals struggling to cope with chronic illness. Her areas of expertise include chronic pain, spinal cord injuries, paralysis, and epilepsy. She offers hope to individuals suffering from ailments labelled as functional, conversion, and somatic complaint disorders. Dr. Austin conducts presurgical psychological evaluations for individuals considering back surgery and pain implantable devices.

Dr. Austin is a Dallas-area native. She is a proud alumna of the Texas Academy of Mathematics & Science at the University of North Texas. She received her Bachelor’s degree in psychology and history at Baylor University and her Master’s from the University of Illinois at Urbana-Champaign. Her doctoral degree was earned at University of Texas Southwestern Medical School where she wrote her dissertation on the efficacy of presurgical screening in predicting the outcome of spine surgery. She subsequently completed a fellowship in pain psychology at Scott & White Memorial Hospital. She enjoys reading, mentoring, and engaging in a variety of geek-adjacent hobbies.

Kathryn Oden, PhD

Dr. Oden is a licensed psychologist with a degree in Clinical Neuropsychology from the University of Houston. As a Master’s level clinician, she worked in State Schools and County agencies with children and young adults who had mental retardation as well as in the State Prison Psychiatric Hospital with individuals who had severe psychiatric problems. After she completed her Ph.D. in 1997, Dr. Oden worked in brain injury rehabilitation and private practice settings. Later she was a Behavioral Health specialist for an acute care hospital in Nevada. There she worked with the physically ill patients as well as offering diagnostic expertise to the gero-psychiatric and adult psychiatric hospital units. Then, for 13 years, she was the Director of Pate Rehabilitation’s Assessment Department, offering patients her expertise in understanding the effects of various neurological injuries and diseases on everyday cognitive functions like attention, language and memory. She is now back in Private practice and enjoying the new opportunities to work with a host of colleagues in different settings.

Dr. Oden is published in neuropsychological assessment, effectiveness of rehabilitation in stroke patients, learning disability related to genetic neuropsychological disorder, patient awareness of changes from brain injuries and physiological manifestations of psychiatric disease and nutritional deficits.

“I believe everyone is valuable, no matter what problems he or she may be dealing with. Helping someone regain the kind of life they are happy to live is magical to me.”

Kathy Morgan, LCSW, LCDC

Kathy Morgan, LCSW, LCDC, is a counselor providing individual and family outpatient psychotherapy for adults. Kathy specializes in depression and bipolar disorder management and substance use disorder treatment. Her experience has been providing therapeutic support for patients with problems in chemical use, stress, grief, relationships, life/job/health transitions, rape and sexual trauma, bullying and physical disability. Recently, Kathy worked at Exult Healthcare in McKinney and at Legacy Counseling Services in Dallas where she provided individual, family, group and intensive outpatient psychotherapy for individuals living with HIV and AIDS. Kathy has been a social worker providing evidence based and Olweus Bullying Prevention Program education to over 9,000 educators, community members and school systems and was a certified DUI school educator. She has been employed as a therapist at state and private operated, residential and inpatient psychiatric facilities.

Other experiences include working with adults having developmental disabilities and children experiencing abuse and neglect, managing grants and applications, and completing a two year international social work assignment in Hong Kong. For the State of Oklahoma, Kathy coordinated the Fetal Alcohol Prevention Program and the Sexual Assault Prevention Program and served as Principal Investigator for a statewide bullying prevention research study published in the Journal of School Violence, 2009. She has presented at state, national and international conferences and been an adjunct faculty member at the University of Central Oklahoma. Kathy’s therapeutic focus is providing a safe place incorporating compassion, encouragement, information, humor, hope, problem solving and practical action steps as individuals discover answers to challenges.